Image pickup apparatus having function of suppressing fixed...

Details Image pickup apparatus having function of suppressing fixed... Image pickup apparatus having function of suppressing fixed...

2008-04-08

2008-04-08

Ye, Lin (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S247000, C348S231600

Reexamination Certificate

active

07355638

ABSTRACT:
An image pickup apparatus comprises an image pickup unit including a light receiving pixel area including plural pixels each configured to accumulate photoelectric charge and to output signal and a comparative pixel area configured to output always, for example, dark signal in a state free of photoelectric charge, a first storing unit configured to store FPN component values of the light receiving pixel area, a second storing unit configured to store preliminarily FPN component value of the comparative pixel area, a first correction unit configured to perform predetermined comparison processing between the signal from the comparative pixel area and the FPN component value stored in the second storing unit, and to correct the FPN component values stored in the first storing unit, and a second correction unit configured to correct the signal from the light receiving pixel area by the FPN component values after correction by the first correction unit.

REFERENCES:
patent: 2002/0003581 (2002-01-01), Sato et al.
patent: 2004/0113046 (2004-06-01), Gorder et al.
patent: 05-115025 (1993-05-01), None
patent: 05-115026 (1993-05-01), None

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